Seashell lock



FIG. 1 is a front perspective view of a seashell lock in accordance with the invention;

FIG. 2 is a front view of FIG. 1 ;

FIG. 3 is a back view of FIG. 1 ;

FIG. 4 is a left view of FIG. 1 ;

FIG. 5 is a right view of FIG. 1 ;

FIG. 6 is a top view of FIG. 1 ;

FIG. 7 is a bottom view of FIG. 1 ; and,

FIG. 8 is a perspective view thereof, showing the seashell lock in an alternate configuration of use.

The portions of the seashell lock shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a seashell lock, as shown and described. 